CN208273244U - A kind of loudspeaker public address efficacy test device - Google Patents
A kind of loudspeaker public address efficacy test device Download PDFInfo
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- CN208273244U CN208273244U CN201820580523.1U CN201820580523U CN208273244U CN 208273244 U CN208273244 U CN 208273244U CN 201820580523 U CN201820580523 U CN 201820580523U CN 208273244 U CN208273244 U CN 208273244U
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Abstract
The utility model discloses a kind of loudspeaker public address efficacy test devices, including first base and second base, the first base and second base junction bottom are provided with hinge, rubber pad is bonded at the bottom margin of the first base and second base, and two rubber pads are symmetrical arranged about hinge, the top outer wall side of the first base offers sliding slot, and the side notch and first base of sliding slot are located at same vertical plane far from the side of second base, the inner wall of the sliding slot slidably connects sliding block, and the top outer wall of sliding block is welded with the support rod being vertically arranged.The utility model is referred on scale by the pointer being arranged, record scale numerical value, measuring microphone receives voice signal, and information at this time is directly displayed by display screen, inspection personnel is facilitated directly to observe and record data, such mode can accurately measure intensity of sound and the data between after sound horn, can accurately measure loudspeaker public address effect.
Description
Technical field
The utility model relates to loudspeaker efficacy test technical field more particularly to a kind of loudspeaker public address efficacy test devices.
Background technique
Loudspeaker are divided into several different musical instruments, and a kind of wind instrument is up-thin-low-thick, are made of copper more.Another kind is modern
Electroacoustic component, effect are to convert electrical signals to sound, are also loudspeaker.It may further be used to describe the people for advertising, publicizing for people, loudspeaker
Be divided into several different musical instruments, one is wind instruments, up-thin-low-thick, are made of copper more, are commonly called as horn.Different loudspeaker can be with
Different sound is issued, loudspeaker need to carry out sound effect test after production, and the public address effect of loudspeaker is checked with this, traditional
Loudspeaker public address efficacy test method is simple, is all directly by manually directly being tested with ear, the accuracy of test is poor, needs one
High-precision sound effect test device.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of loudspeaker public address function proposed
Imitate test device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of loudspeaker public address efficacy test device, including first base and second base, the first base and the second bottom
Seat junction bottom is provided with hinge, is bonded with rubber pad, and two at the bottom margin of the first base and second base
A rubber pad is symmetrical arranged about hinge, and the top outer wall side of the first base offers sliding slot, and a side channel of sliding slot
Mouth and first base are located at same vertical plane far from the side of second base, and the inner wall of the sliding slot slidably connects sliding block, and
The top outer wall of sliding block is welded with the support rod being vertically arranged, and the top outer wall of the support rod has been bolted loudspeaker peace
Bracket is filled, one side outer wall bottom end of the support rod is welded with horizontally disposed pointer, is provided at the top of the first base
Scale, the top outer wall of the second base, which is recessed downwards, is formed with card slot, and card slot, far from hinge, the second base is separate
The side outer wall of first base offers perforation, and the inside perforated is inserted with fixed pin, and the inside of the card slot passes through fixed pin
It is fixed with the vertical bar being vertically arranged, and vertical bar offers mounting groove close to the side outer wall top of support rod, the mounting groove
Inside is placed with measuring microphone, and the vertical bar is welded with horizontally disposed support plate far from the side outer wall of support rod, and props up
The top of fagging has been bolted display screen.
Preferably, the inside of the perforation is connected to the inside of card slot.
Preferably, the signal output end of the measuring microphone is connected by signal wire with the signal input part of display screen.
Preferably, the length of the sliding slot is 3/4ths of first base length.
Preferably, the pointer is located at the surface of scale, and the end of pointer is painted with red paint.
Preferably, the side outer wall of the side outer wall of the sliding block and support rod is located at same vertical plane.
Preferably, the scale is located at the top edge of sliding slot.
The utility model has the following beneficial effects:
1, loudspeaker to be tested are placed in loudspeaker mounting bracket, so that sound horn, mobile sliding block is in sliding slot
Portion's sliding, support rod move together with sliding block, are referred on scale by the pointer of setting, record scale numerical value, test transaudient
Device receives voice signal, and information at this time is directly displayed by display screen, and inspection personnel is facilitated directly to observe and record
Data, such mode can accurately measure intensity of sound and the data between after sound horn, can accurately measure
Loudspeaker public address effect.
2, by the rubber pad of setting can prevent hinge be between first base and second base cause it is unbalanced
Problem improves the novel stability in use.
3, by the fixed pin of setting, directly vertical bar can be taken out out of card slot when not in use, sliding block can be from cunning
It is taken out in slot, first base and second base can be folded by hinge and be packed up, and facilitate storage.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of loudspeaker public address efficacy test device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of loudspeaker public address efficacy test device local overlooking structural schematic diagram；
Fig. 3 be the utility model proposes a kind of loudspeaker public address efficacy test device fragmentary bottom structural schematic diagram.
In figure: 1 first base, 2 sliding slots, 3 sliding blocks, 4 pointers, 5 support rods, 6 loudspeaker mounting brackets, 7 second bases, 8 cards
Slot, 9 vertical bars, 10 measuring microphones, 11 mounting grooves, 12 display screens, 13 support plates, 14 fixed pins, 15 perforation, 16 rubber pads, 17
Hinge, 18 scales.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of loudspeaker public address efficacy test device, including first base 1 and second base 7, first base 1
7 junction bottom of second base is provided with hinge 17, is bonded with rubber at the bottom margin of first base 1 and second base 7
Rubber mat 16, and two rubber pads 16 are symmetrical arranged about hinge 17, the top outer wall side of first base 1 offers sliding slot 2,
And the side notch and first base 1 of sliding slot 2 are located at same vertical plane, the inner wall sliding of sliding slot 2 far from the side of second base 7
It is connected with sliding block 3, and the top outer wall of sliding block 3 is welded with the support rod 5 being vertically arranged, the top outer wall of support rod 5 passes through spiral shell
Bolt is fixed with loudspeaker mounting bracket 6, and one side outer wall bottom end of support rod 5 is welded with horizontally disposed pointer 4, first base 1
Top is provided with scale 18, and the top outer wall of second base 7, which is recessed downwards, is formed with card slot 8, and card slot 8 is far from hinge 17, and
Two pedestals 7 offer perforation 15 far from the side outer wall of first base 1, and the inside of perforation 15 is inserted with fixed pin 14, card slot 8
Inside is fixed with the vertical bar 9 being vertically arranged by fixed pin 14, and vertical bar 9 is offered close to the side outer wall top of support rod 5
Mounting groove 11, the inside of mounting groove 11 are placed with measuring microphone 10, and vertical bar 9 is welded with water far from the side outer wall of support rod 5
The support plate 13 of flat setting, and the top of support plate 13 has been bolted display screen 12.
In the utility model, 15 inside of perforating is connected to the inside of card slot 8, and the signal output end of measuring microphone 10 is logical
It crosses signal wire to connect with the signal input part of display screen 12, the length of sliding slot 2 is 3/4ths of 1 length of first base, pointer
4 are located at the surface of scale 18, and the end of pointer 4 is painted with red paint, outside the side outer wall of sliding block 3 and the side of support rod 5
Wall is located at same vertical plane, and scale 18 is located at the top edge of sliding slot 2.
Working principle: loudspeaker to be tested are placed in loudspeaker mounting bracket 6, so that sound horn, mobile sliding block 3 exists
The internal slide of sliding slot 2, support rod 5 are moved together with sliding block 3, are referred on scale 18 by the pointer 4 of setting, are recorded scale
Numerical value, measuring microphone 10 receives voice signal, and information at this time is directly displayed by display screen 12, facilitates scrutineer
Member directly observes and records data, by the fixed pin 14 of setting, can when not in use directly take vertical bar 9 out of card slot
Out, sliding block 3 can take out out of sliding slot 2, and first base 1 and second base 7 can be folded by hinge 17 and be packed up.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of loudspeaker public address efficacy test device, including first base (1) and second base (7), which is characterized in that described
One pedestal (1) and second base (7) junction bottom are provided with hinge (17), the first base (1) and second base (7)
It is bonded at bottom margin rubber pad (16), and two rubber pads (16) are symmetrical arranged about hinge (17), first bottom
The top outer wall side of seat (1) offers sliding slot (2), and the side notch of sliding slot (2) and first base (1) are far from second base
(7) side is located at same vertical plane, and the inner wall of the sliding slot (2) slidably connects sliding block (3), and outside the top of sliding block (3)
Wall is welded with the support rod (5) being vertically arranged, and the top outer wall of the support rod (5) has been bolted loudspeaker mounting bracket
(6), one side outer wall bottom end of the support rod (5) is welded with horizontally disposed pointer (4), the top of the first base (1)
It is provided with scale (18), the top outer wall of the second base (7), which is recessed downwards, to be formed with card slot (8), and card slot (8) is far from hinge
Chain (17), the second base (7) offer perforation (15) far from the side outer wall of first base (1), and the interior of (15) of perforating
Portion is inserted with fixed pin (14), and the inside of the card slot (8) is fixed with the vertical bar (9) being vertically arranged by fixed pin (14), and perpendicular
Bar (9) offers mounting groove (11) close to the side outer wall top of support rod (5), and the inside of the mounting groove (11) is placed with survey
It tries microphone (10), the vertical bar (9) is welded with horizontally disposed support plate (13) far from the side outer wall of support rod (5), and
The top of support plate (13) has been bolted display screen (12).
2. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the interior of (15) of perforating
Portion is connected to the inside of card slot (8).
3. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the measuring microphone
(10) signal output end is connected by signal wire with the signal input part of display screen (12).
4. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the length of the sliding slot (2)
Degree is 3/4ths of first base (1) length.
5. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the pointer (4) is located at
The surface of scale (18), and the end of pointer (4) is painted with red paint.
6. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the one of the sliding block (3)
The side outer wall of side outer wall and support rod (5) is located at same vertical plane.
7. a kind of loudspeaker public address efficacy test device according to claim 1, which is characterized in that the scale (18) is located at
At the top edge of sliding slot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820580523.1U CN208273244U (en) | 2018-04-23 | 2018-04-23 | A kind of loudspeaker public address efficacy test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820580523.1U CN208273244U (en) | 2018-04-23 | 2018-04-23 | A kind of loudspeaker public address efficacy test device |
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| Publication Number | Publication Date |
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| CN208273244U true CN208273244U (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820580523.1U Active CN208273244U (en) | 2018-04-23 | 2018-04-23 | A kind of loudspeaker public address efficacy test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099349A (en) * | 2019-04-01 | 2019-08-06 | 广州市建桥音响配件有限公司 | A kind of multifunctional testing platform of loudspeaker |
| CN112565999A (en) * | 2020-11-23 | 2021-03-26 | 温州稳步鞋业有限公司 | Energy-saving environment-friendly sound intensity detection mechanism for sound equipment capable of avoiding noise pollution |
| CN113301489A (en) * | 2021-05-20 | 2021-08-24 | 江苏集结号机车科技有限公司 | Automatic testing system and method for vehicle-mounted loudspeaker |
-
2018
- 2018-04-23 CN CN201820580523.1U patent/CN208273244U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099349A (en) * | 2019-04-01 | 2019-08-06 | 广州市建桥音响配件有限公司 | A kind of multifunctional testing platform of loudspeaker |
| CN110099349B (en) * | 2019-04-01 | 2021-11-09 | 广州市建桥音响配件有限公司 | Multifunctional testing platform for loudspeaker |
| CN112565999A (en) * | 2020-11-23 | 2021-03-26 | 温州稳步鞋业有限公司 | Energy-saving environment-friendly sound intensity detection mechanism for sound equipment capable of avoiding noise pollution |
| CN113301489A (en) * | 2021-05-20 | 2021-08-24 | 江苏集结号机车科技有限公司 | Automatic testing system and method for vehicle-mounted loudspeaker |
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